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Date: Tue, 01 Apr 2008 22:27:34 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Ken Chen <ken73.chen@gmail.com>
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Cc: freebsd-stable@freebsd.org
Subject: Re: NFS server on FreeBSD 6, client on FreeBSD 7 ?
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Ken Chen wrote:
> Hi,
> 
> The NFS server is running FreeBSD 6.0, and no problems with other NFS client
> with FreeBSD 6.
> 
> When a new client with FreeBSD 7 comes, the NFS server always says:
> 
> Apr  2 03:52:01 xxxx rpc.lockd: clntudp_create: RPC: Program not registered
> Apr  2 03:52:01 xxxx rpc.lockd: Unable to return result to 192.168.4.248
> 
> The 192.168.4.248's OS is FreeBSD 7, and it can successfully mount the
> directories on NFS server.
> 
> It seems something wrong with rpc.lockd ? The 'rpc.lockd' seems totally
> different in FreeBSD 6 & 7.
> 
> How should I fix this problem?  Thanks!

It should be the same code in 6 and 7, modulo small changes.  Sounds 
like it's not running properly on your 6 system.

Kris